package com.example.a_base

/**
@author whd
@date 2023/11/16 14:37:26
 */
class g_class {

}
abstract class A{
  var id =0
  var name=""
  var age =0
}
class B:A(){
  var school=""
}

fun main() {
  var a = B()
  a.school="第一高级中学"
}
